1. The Natural History Museum, London, UK
2. University of Camerino, Camerino, MC, Italy
3. University of Lucknow, Lucknow, India
4. Botanical Garden-Institute, Vladivostok, Russia
5. Institute of Biology, Eötvös Loránd University, Szombathely, Hungary
6. Oldenburg, Germany
7. Polish Academy of Sciences, W. Szafer Institute of Botany, Kraków, Poland
8. Department of Botany, Kherson State University, Kherson, Ukraine
9. LIFE CWR – Ecological Restoration and Conservation of Praia da Vitória Coastal Wet Green Infrastructure, Praia da Vitoria, Portugal
10. Universitat Autònoma de Barcelona, Bellaterra, Spain
11. Masaryk University, Brno, Czech Republic
12. Finnish Museum of Natural History, University of Helsinki, Finland
13. Berlin, Germany
14. M.V. Lomonosov Moscow State University, Russia
15. Universidade da Madeira, Funchal, Madeira, Portugal
16. Universidad Complutense de Madrid, Madrid, Spain
17. cE3c – Azorean Biodiversity Group, University of the Azores, Angra do Heroismo, Portugal
18. Universidad de Murcia, Murcia, Spain
19. Muséum National d'Histoire Naturelle – Sorbonne Universités, Institut de Systématique, Évolution, Biodiversité, Paris, France
20. Elsfleth, Germany
21. Conservatoire Botanique National du Massif Central, Chavaniac Lafayette, France
22. Russian Academy of Sciences, Komarov Botanical Institute, St. Petersburg, Russia
23. University of South Bohemia, České Budějovice, Czech Republic
24. Greifswald University, Greifswald, Germany
25. Yugra State University, Khanty-Mansiysk, Russia
26. CNRS UMR 6553, Université de Rennes 1, Paimpont, France
27. Universidad del Quindío, Armenia, Quindío, Colombia
28. Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, Yunnan, People’s Republic of China
29. AIAS, Aarhus University, Aarhus, Denmark
30. Centro de Investigação em Biodiversidade e Recursos Genéticos, Universidade do Porto, Portugal
31. Faculdade de Ciênias, Universidade do Porto, Porto, Portugal
32. Institute of Biology of Karelian Research Centre of the Russian Academy of Sciences, Petrozavodsk, Russia
33. School of Environmental and Natural Resource Sciences, Universiti Kebangsaan Malaysia, Bangi, Selangor, Malaysia
34. University of Perugia, Perugia, Italy
35. Rovereto Civic Museum Foundation, Rovereto, TN, Italy
36. Komarov Botanical Institute, Russian Academy of Sciences, St. Petersburg, Russia
37. Institute of Botany and Botanical Garden, University of Belgrade, Belgrade, Serbia
38. Herdwangen-Schönach, Germany
39. Museu Nacional de História Natural e da Ciência, Universidade de Lisboa, Lisboa, Portugal
40. California Academy of Sciences, San Francisco, USA
41. Medical University of Silesia in Katowice, Sosnowiec, Poland
42. Pieniny National Park, Krościenko nad Dunajcem, Poland
43. Guangxi Institute of Botany, Guangxi Zhuang Autonomous Region and Chinese Academy of Sciences, People’s Republic of China